Mark Cuban & Robert Herjavec Talk ABC's Shark Tank Season 4

Mark Cuban and Robert Herjavec chat with AccessHollywood.com’s Laura Saltman about the deals they make with companies and individuals on their ABC reality show, “Shark Tank.” Why do some of the deals not go through after the show wraps? Plus, how many of their deals do they actually make money on? “Shark Tank” Season 4 premieres Friday September 14 at 8 PM on ABC.